From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samuel Attard <marshallofsound@electronjs.org>
Date: Wed, 26 Jul 2023 17:03:15 -0700
Subject: fix: do not resolve electron entrypoints

This wastes fs cycles and can result in strange behavior if this path actually exists on disk

diff --git a/lib/internal/modules/esm/load.js b/lib/internal/modules/esm/load.js
index 22248b753c14960122f1d6b9bfe6b89fdb8d2010..9d245a04fbcb98dcd1c61e60f7cfe528bd1c8af0 100644
--- a/lib/internal/modules/esm/load.js
+++ b/lib/internal/modules/esm/load.js
@@ -132,7 +132,7 @@ async function defaultLoad(url, context = kEmptyObject) {
     source = null;
     format ??= 'builtin';
   } else if (format !== 'commonjs' || defaultType === 'module') {
-    if (source == null) {
+    if (format !== 'electron' && source == null) {
       ({ responseURL, source } = await getSource(urlInstance, context));
       context = { __proto__: context, source };
     }
diff --git a/lib/internal/modules/esm/translators.js b/lib/internal/modules/esm/translators.js
index 9c9b403774e51e2f7e1201ad53e60e98fc3b26e8..477a3b2cf61fcaa154f01ac77c8047ef548ac1f8 100644
--- a/lib/internal/modules/esm/translators.js
+++ b/lib/internal/modules/esm/translators.js
@@ -375,6 +375,9 @@ function cjsPreparseModuleExports(filename, source) {
   if (module && module[kModuleExportNames] !== undefined) {
     return { module, exportNames: module[kModuleExportNames] };
   }
+  if (filename === 'electron') {
+    return { module, exportNames: new SafeSet(['default', ...Object.keys(module.exports)]) };
+  }
   const loaded = Boolean(module);
   if (!loaded) {
     module = new CJSModule(filename);
diff --git a/lib/internal/modules/run_main.js b/lib/internal/modules/run_main.js
index 4ad694debfc72f56dd98a4e56dd0bbc63711242e..73f0e00ad34132e7d2fd37ec321110881e89617f 100644
--- a/lib/internal/modules/run_main.js
+++ b/lib/internal/modules/run_main.js
@@ -2,6 +2,7 @@
 
 const {
   StringPrototypeEndsWith,
+  StringPrototypeStartsWith,
 } = primordials;
 
 const { containsModuleSyntax } = internalBinding('contextify');
@@ -22,6 +23,13 @@ const {
  * @param {string} main - Entry point path
  */
 function resolveMainPath(main) {
+  // For built-in modules used as the main entry point we _never_
+  // want to waste cycles resolving them to file paths on disk
+  // that actually might exist
+  if (typeof main === 'string' && StringPrototypeStartsWith(main, 'electron/js2c')) {
+    return main;
+  }
+
   const defaultType = getOptionValue('--experimental-default-type');
   /** @type {string} */
   let mainPath;
@@ -58,6 +66,13 @@ function resolveMainPath(main) {
  * @param {string} mainPath - Absolute path to the main entry point
  */
 function shouldUseESMLoader(mainPath) {
+  // For built-in modules used as the main entry point we _never_
+  // want to waste cycles resolving them to file paths on disk
+  // that actually might exist
+  if (typeof mainPath === 'string' && StringPrototypeStartsWith(mainPath, 'electron/js2c')) {
+    return false;
+  }
+
   if (getOptionValue('--experimental-default-type') === 'module') { return true; }
 
   /**
